Alto de la Marta
Spain, europe
27 km
1,105 m
hard
Year-round
# Alto de la Marta: A Mountain Pass Worth the Challenge
Tucked away in northwestern Asturias, Spain, Alto de la Marta sits at 1,105 meters (3,625 feet) and offers one heck of a wild ride. The AS364 road up this pass is no joke—we're talking seriously steep sections hitting 15-18% grades that'll have your heart racing and your brakes working overtime.
The asphalt is there, but don't expect luxury. This is narrow, hair-raising terrain where two cars passing each other is basically a game of chicken. There are stretches with no center lines and, yeah, some worrying sections with zero guard rails to catch you if things go sideways. It's a beast of a climb—deceptively brutal despite what the average gradient might suggest.
Weather-wise, you can usually tackle this year-round, but winter snow can shut things down without warning. You've got two options for the ascent. The longer route starts from Puente Polea at a grinding 27 km with 952 meters of elevation gain (3.5% average). Want something spicier? Start from Pola de Allande for a shorter but punchier 10 km push with 556 meters of gain (5.6% average).
Either way, Alto de la Marta is the kind of road that demands respect—and rewards it with an unforgettable experience in the Spanish mountains.
Where is it?
Alto de la Marta is located in Spain (europe). Coordinates: 40.3700, -3.4683
Road Details
- Country
- Spain
- Continent
- europe
- Length
- 27 km
- Max Elevation
- 1,105 m
- Difficulty
- hard
- Coordinates
- 40.3700, -3.4683
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